Connecting device

Details Connecting device Connecting device

1976-03-01

1977-03-15

Shedd, Wayne L.

Joints and connections

With adjunctive protector, broken parts retainer, repair,...

Tool-engaging or accommodating means or with tool

176 38, 176 87, 151 53, 403 21, 403DIG8, F16B 502

Patent

active

040121577

ABSTRACT:
Bolt device for connecting a first component formed with a hole extending therethrough to a second component which is formed with a recess threaded to receive the bolt. The hole has three portions, namely a first shallow portion of large diameter which is an undercut of the end wall of the first component, a second shallow portion eccentric to the first shallow portion, the first component having a lateral groove connecting with the shallow portions, and an elongated recess portion having a smaller diameter than that of the first shallow portion and being coaxial to the first shallow portion. A cup-shaped member surrounds the head of the bolt to prevent rotation of the bolt, and has a disc-shaped base receivable in the undercut and a projection receivable in the lateral groove to prevent rotation of the cup and the bolt relative to the threaded component. The head of the bolt is formed with a recess engageable by a wrench which is used to rotate the bolt relative to the cup and thereby disengage the bolt from the cup.

REFERENCES:
patent: 1044055 (1912-11-01), Johnson et al.
patent: 2192378 (1940-03-01), Horger
patent: 2216208 (1940-10-01), Michon
patent: 2820241 (1958-01-01), Schlage
patent: 3305452 (1967-02-01), Remoleur

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